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Validating an optional URL

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mschipperheyn

Post subject: Validating an optional URL

Posted: Sat Jun 05, 2010 11:58 am

Pro

Joined: Wed Nov 05, 2003 7:22 pm
Posts: 211

Hi,

The @URL validation allows you to validate for a string as a URL. However, in some cases the entered string is optional. If something is entered, it has to validate as an URL, if nothing is entered, it should just pass.

This doesn't seem possible currently. I would suggest adding an attribute required[true|false]

Kind regards,

Marc

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mschipperheyn

Post subject: Re: Validating an optional URL

Posted: Sat Jun 05, 2010 12:05 pm

Pro

Joined: Wed Nov 05, 2003 7:22 pm
Posts: 211

In fact, it is better that no attribute required is added but that empty strings just pass. A developer can always add a @NotEmpty to ensure content is entered.

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hardy.ferentschik

Post subject: Re: Validating an optional URL

Posted: Mon Jun 07, 2010 5:11 am

Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden

The latest version of Hibernate Validator (4.1.0.Beta2) passes the empty string as valid url - HV-323. No additional parameters required and as you say, if you want to exclude the empty string you add @NotEmpty.

--Hardy

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